
APTweaks: Gamerules (11.x Classic)
Automatically adjust the random tick speed, entity cramming, raids, patrol, trader and insomnia based on the current server load.
⬇ Download on Modrinth🎛️ Adaptive Performance Tweaks: Game Rules (11.x Classic)
ℹ️ 11.x Classic Module
This module belongs to the classic Adaptive Performance Tweaks 11.x module system and remains available for existing modpacks.
New features and active development continue in the new all-in-one version: Adaptive Performance Tweaks
⚠️ Do not use this module together with Adaptive Performance Tweaks 12.x or newer.

Server-side Forge module that keeps TPS/FPS stable by dynamically adjusting selected game rules based on server load. Works standalone on the server; clients are optional.
Status ✅
Stable 11.x Classic / LTS module for existing Forge modpacks.
Critical fixes and compatibility updates may be provided when needed. New features, new loader support, and modern Minecraft version updates are developed in the new all-in-one Adaptive Performance Tweaks version.
Requirements 🧩
Requires Adaptive Performance Tweaks: Core
Features ✨
- Server-side only; clients do not need to install the mod.
- Pick only the modules you want; highly configurable via config files.
- No core/mixin patches → broad mod compatibility.
- Built-in debug info to see what the optimizer is doing.
⚠️ Always keep regular backups of your world.
Game rule optimizations 🎛️
- Adjusts randomTickSpeed dynamically to the current server load.
- Tunes entity cramming to reduce lag spikes.
- Controls raids, patrols, wandering trader, and insomnia under high load.
Bundled modules 📦
Want everything at once? Install the bundled version:
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as adaptive_performance_tweaks_gamerules_1.21.1-11.6.1.jar — drop this file into the mods folder
- Download size: 63 KB
- Download link checked 27 Aug 2026 — working
These come from our own check of the pack file, not from the source page.